<div class="mls">
  <button nz-button nzType="primary">Primary</button>
  <button nz-button>Default</button>
  <button nz-button nzType="default">Default</button>
  <button nz-button nzType="dashed">Dashed</button>
  <button nz-button nzType="text">Text</button>
  <button nz-button nzType="link">Link</button>
</div>
